To lock WhatsApp on Android, launch the app, tap the three-dot menu, navigate to Settings > Privacy > App Lock, and turn on "Unlock With Biometric." To lock WhatsApp ...

Google's strongest security features are tucked behind a single toggle. Turn it on to protect yourself from theft, scams, spam, and more.

Enabling face recognition adds an extra layer of security while making unlocking your phone fast and effortless ...

With Firefox's newest feature on Android, you can now lock your private tabs and ensure that your browsing remain private at all times.